Novak tritium front sight for the Colt Mustang XSP .380. The blade height is .160" tall and fits the factory dovetail as direct replacement, some minor fitting may be required. Works only with the Novak LMC380 series rear sights, which require machining for installation of the rear sight. Please check our "Sights 101" section for more information on the Colt Mustang sights.